Gets system property in privileged mode. - Java java.util

Java examples for java.util:Properties File

  1. HOME
  2. Java
  3. java.util
  4. Properties File

Description

Gets system property in privileged mode.

Demo Code

/*/* ww  w.  j  av a  2 s .  c  om*/
 * Copyright (C) 2003-2011 eXo Platform SAS.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
//package com.java2s;

import java.security.AccessController;
import java.security.PrivilegedAction;

public class Main {
    /**
     * Gets system property in privileged mode.
     * 
     * @param key
     * @return
     */
    public static String getProperty(final String key) {
        PrivilegedAction<String> action = new PrivilegedAction<String>() {
            public String run() {
                return System.getProperty(key);
            }
        };
        return AccessController.doPrivileged(action);
    }

    /**
     * Gets system property in privileged mode.
     * 
     * @param key
     * @param def
     * @return
     */
    public static String getProperty(final String key, final String def) {
        PrivilegedAction<String> action = new PrivilegedAction<String>() {
            public String run() {
                return System.getProperty(key, def);
            }
        };
        return AccessController.doPrivileged(action);
    }
}

Related Tutorials